\documentclass{standalone}
\usepackage{tikz}
\usepackage{ctex,siunitx}
\setCJKmainfont{Noto Serif CJK SC}
\usepackage{tkz-euclide}
\usepackage{amsmath}
\usepackage{wasysym}
\usepackage{circuitikz}
\usetikzlibrary{patterns, calc}
\usetikzlibrary {decorations.pathmorphing, decorations.pathreplacing, decorations.shapes}
\ctikzset{bipoles/length=1cm}
\begin{document}
\small
\begin{circuitikz}[>=latex, scale=1,european]
  % \useasboundingbox(0.9,0)rectangle(5.1,5);
	\draw (0,0) to [american inductors, L] (0,2);
	\draw (0,0) to [american inductors, L] (-1.5,-1)node[left]{$C$};	
	\draw (0,0) to [american inductors, L] (1.5,-1)node[below]{$B$};	
	\node at (0,.1) [left]{$O$};
	\draw (0,2)node[left]{$A$}--(5,2);\draw (0,0)--(5,0);
	\draw (1.5,-1)--(5,-1);\draw (-1.5,-1)--(-1.5,-1.5)--(5,-1.5);
	\draw[<->] (3,0)--node [fill=white]{$U_{\text{相}}$}(3,2);
		\draw[<->] (4,-1)--node [fill=white]{$U_{\text{线}}$}(4,2);
	\draw [fill=black](0,0) circle(1.5pt);
	\foreach \x in {0,2,-1,-1.5}
	{
		\draw[fill=white] (5,\x) circle({1.5pt});
	}
\end{circuitikz}
\end{document}